[TechAssist] Panasonic CT-32D12DF, TP341 chassis. dead. HOT and SMPS parts shorted
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
- Date: Mon, 28 Feb 2005 11:10:23 -0500
Customer said "picture went, then sound".
Found fuses OK. HOT 2SC5339 shorted. Removed it. Pushed power button.
Heard loud squeel from smps.
In circuit tests found PS parts:
R818 (.56 ohm 2 watt square ohm) open.
D830 short
D826 OK
D821 OK
D824 OK
D823 OK
D825 short
Q801,Q802 OK
D822 OK
D821 OK
IC803 ??? STR58041 shows no actual shorted pins
HOT Q551 shorted
Anyone have experience with this chassis, and any idea what started
this? Fly took HOT, damaged smps,etc?
SMPS damaged HOT?
Phil Bader
--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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